Chestnut Ridge, N.Y.-based Soft By Nature is pointing to clothes dryers as real energy hogs and pointing to its own Woolzies as an energy-saving idea.

The company has launched Woolzies, an all-natural fabric softener for use in dryers. Neither a dryer sheet nor a liquid, Woolzies are New Zealand wool dryer balls that soften laundry naturally, without any of the chemicals found in conventional fabric softeners.